Robert Langford Modini Stack was a multilingual American actor and television host. In addition to acting in more than 40 films, he also appeared on the television series The Untouchables and later served as the host of Unsolved Mysteries. Born in Los Angeles, California, Stack spent his early childhood growing up in Europe. Becoming fluent in French and Italian at an early age, and he did not learn English until returning to Los Angeles. Stack achieved minor fame in sporting, winning multiple championships including setting two world records and winning multiple honors in skeet shooting Stack studied drama at Bridgewater State College, earning his first hollywood role at the age of 20 and continuing to star in numerous roles throughout the early 1940s. After serving in the military, Stack returned to Hollywood to star in numerous films including stand out roles in The High and the Mighty (opposite John Wayne) and Written on the Wind (1957), for which he was awarded an Academy Award for Best Supporting Actor. Stack later moved on to televised dramatic series, depicting the crime-fighting Eliot Ness in The Untouchables (1959–1963), which earned him a best actor Emmy Award in 1960. Stack also starred in multiple drama series, before returning to film, this time in comedies to satirize his famed stoic and humorless demeanor. He began hosting Unsolved Mysteries in 1987, and served as the show's host throughout it's entire original run from 1987 to 2002.
To Be or Not to Be
(Lieut. Stanislav Sobinski)
The Mortal Storm
(Otto Von Rohn)
Airplane!
(Captain Rex Kramer)
Beavis and Butt-Head Do America
(Agent Flemming (voice))
Joe Versus the Volcano
(Dr. Ellison)
Is Paris Burning?
(General Sibert)
Good Morning, Miss Dove
(Dr. Tommy Baker)
House of Bamboo
(Eddie Kenner)
1941
(Maj. Gen. Joseph W. Stilwell)
Mumford
(Himself)
My Outlaw Brother
(Patrick O´Moore)
Douglas Sirk: Über Stars
(Self)
Uncommon Valor
(MacGregor)
Nice Girl?
(Don Webb)
The Last Voyage
(Cliff Henderson)
First Love
(Ted Drake)
Bwana Devil
(Bob Hayward)
The Tarnished Angels
(Roger Shumann)
Caddyshack II
(Chandler Young)
The High and the Mighty
(John Sullivan)
Written on the Wind
(Kyle Hadley)
The Grand Opening of Walt Disney World
(Self)
John Paul Jones
(John Paul Jones)
These Dead Souls
((archive footage))
The Strange and Deadly Occurrence
(Michael Rhodes)
Dangerous Curves
(Louis Faciano)
Great Day in the Morning
(Owen Pentecost)
The Caretakers
(Dr. Donovan MacLeod)
Badlands Of Dakota
(Jim Holliday)
Action Man
(Jim Beckley)
Bullfighter and the Lady
(John Regan)
A Date with Judy
(Stephen Andrews)
The Y2K Crisis
(Host)
Big Trouble
(Winslow)
Fighter Squadron
(Capt. Stuart L. Hamilton)
Men of Texas
(Barry Conovan)
Sabre Jet
(Col. Gil Manton)
Sealed with a Kiss
(Sumner Ethridge)
Adventures of the Queen
(Capt. James Morgan)
Murder on Flight 502
(Captain Larkin)
Mr. Music
(Jeff Blake)
Hercules: Zero to Hero
(Narrator (voice) (archive sound))
War Paint
(Lt. Billings)
Barry Norman in Celebrity City
(Self)
Conquest of Cochise
(Maj. Tom Burke)
The Gift of Love
(William 'Bill' Beck)
Laura
(Mark McPherson)
Screen Snapshots Series 21 No. 1
(Self)
The Scarface Mob
(Eliot Ness)
The Iron Glove
(Captain Charles Wogan)
Acting for Douglas Sirk
(Self (archive footage))
The Making of '1941'
((archive))
Yellowface: Asian Whitewashing and Racism in Hollywood
((archive footage))
Plain Clothes
(Mr. Gardner)
The Transformers: The Movie
(Ultra Magnus (voice))
Asylum for a Spy
(James Andrew Congers)
A Little Bit of Heaven
(Bob Terry)
Midas Valley
(Drew Hammond)
The Corrupt Ones
(Cliff Wilder)
Unsolved Mysteries Volume 1: UFOs
(Host)
Miss Tatlock's Millions
(Nickey Van Alen)
Barbara Stanwyck: Straight Down The Line
(Self)
Un Second Souffle
(François Davis)
Undercover with the KKK
(Host - Narrator)
Eagle Squadron
(Chuck S. Brewer)
The Real Story of Baa Baa Black Sheep
(Lt. Littleboy (voice))
Riviera Dream
Killer Bud
(The Gooch)
Perry Mason: The Case of the Sinister Spirit
(Jordan White)
BASEketball
(Robert Stack)
Keeping Fit
(Bob - Factory worker)
Screen Snapshots (Series 23, No. 1): Hollywood in Uniform
(Himself)
Story of a Woman
(David Frasier)
Recess: School's Out
(Superintendent (voice))
The Selling of the Pentagon
(Self (archive footage))
Lana Turner... a Daughter's Memoir
(Self)
Laura
(Mark Macpherson)
The Muppets Go Hollywood
(Self)
The Return of Eliot Ness
(Eliot Ness)
Unsolved Mysteries: Behind the Legacy
(Self (archive footage))
Falcon Crest
(Roland Saunders)
Murder, She Wrote
(Chester Harrison)
Unsolved Mysteries
(Host)
The Lucy Show
(Agent Briggs)
The Untouchables
(Eliot Ness)
Hercules
(Bob (voice))
The Merv Griffin Show
(Self)
Blossom
Police Story
Butt-Ugly Martians
(Stoat Muldoon (voice))
Lux Video Theatre
(First Man)
Schlitz Playhouse of Stars
(Vic Flint)
Strike Force
(Captain Frank Murphy)
Brothers
The 20th Century Fox Hour
(Mark MacPherson)
Diagnosis: Murder
(Peter McReynolds)
Lights Out
George Washington
(General Stark)
The Oscars
(Self)
Hollywood Wives
(George Lancaster)
The Mike Douglas Show
(Self - Co-Host)
The Mike Douglas Show
(Self)
The Tonight Show Starring Johnny Carson
(Self)
The Bob Hope Show
(Self - Cameo)
The Ed Sullivan Show
(Self - Magician's Assistant)
The Name of the Game
(Dan Farrell)
Most Wanted
(Captain Linc Evers)
Suddenly Susan
(Robert Stack)
Entertainment Tonight
(Self)
Les Rendez-vous du dimanche
(Self)
King of the Hill
(Reynolds Penland (voice) (uncredited))
The Dean Martin Celebrity Roasts
(Self)
Golden Globe Awards
(Self)
Golden Globe Awards
(Self - Presenter)
The Angry Beavers
(Narrator (voice))
Vicki!
(Self)
The Fanelli Boys
(Robert Stack (uncredited))
The Fanelli Boys
(Kyle Hadley)
Hotel
(Lewis Blackwood)
Hotel
(Charles Vandoor)
The Love Boat
(Bret Garrett)
Dinah!
(Self)
The Danny Thomas Hour
(Angelo (Businessman))
Bob Hope Presents the Chrysler Theatre
(Major Morgan)
Bob Hope Presents the Chrysler Theatre
(James Andrew Congers)
The Ford Television Theatre
(Ralph Saunders)
The Ford Television Theatre
(Ben Barton)
The Red Skelton Show
(Self / Bo Bo McGoon)
Lux Video Theatre
(Self - Intermission Guest)